Hi there!

Yes you can take the PSU (Public sector undertaking) exams after a M.Sc. in Zoological science. These are some PSUs conduct their own exam for recruitment.

DRDO- Defence Reasearch and Development Organisation

DRDL- Defence Research and Development Laboratory

BARC- Bhabha Atomic and Research Centre

NPCIL- Nuclear Power Corporation of India Limited

NMDC- National Mineral Development Corporation

HAL- Hindustan Aeronautics Limited

MTNL- Mahanagar Telecom Nagar Limited

RICL- Rashtriya Ispat Nigam Limited (Vizag Steel)

RECL- Rural Electrification Corp. Ltd

SCIL- Shipping Corporation of India Limited

SAIL- Steel Authority of India Limited

RBI- Reserve Bank of India (RBI)

RRB- Railway Recruitment Board

EII- Engineers Institute of India

ECI- Electronics Corporation of India

Hi,

You can mainly apply for the post of JRF in institutes such as IISER, State Universities, Project assistant in CSIR etc .Also you can apply for IVCOl, BIRAC etc. To know the scope of Zoology courses you can check the article given below

https://www.careers360.com/courses/zoology-course

All the best.